USPC Class Details

Description: 380 cryptography / 380 cryptography/(255) communication system using cryptography (259) symmetric key cryptography (260) symmetric key synchronization (263) nonlinear or chaotic system

Hierarchy/Derived subclasses

380 / 255-> 259-> 260-> 263

uspto searches

Patent Apps in 380/263

Granted Patents in 380/263

Use the links above or do an advanced search in ppubs for:
(380/263.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
Display:

Back